definition of enzyme
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Medical Dictionary Enzyme: Proteins that speeds up the rate of a chemical reaction in a living organism. An enzyme acts as catalyst for specific chemical reactions, converting a specific set of reactants (called substrates) into specific products.
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- Roy and Mary Werner say they have enjoyed their time as public servants. They have been real rewarding years, Roy Werner said. We met some of the nicest people in the world, and we have some of the nicest people living in Bloom Township.. Marlyn Bertsch has taken Roy's seat as township supervisor.
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Substrate (chemistry) In biochemistry, the substrate is a molecule upon which an enzyme acts. Enzymes catalyze chemical reactions involving the substrate(s). In the case of a single substrate, the substrate bonds with the enzyme active site, and an enzyme-substrate complex is formed.The substrate is transformed into one or more products, which are then released from the active site.n chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which reacts with reagent to generate a product.
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- Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process upon which enzymes may act are called substrates and the enzyme converts these into different molecules, called products. Almost all metabolic processes in the cell need enzymes in order to occur at rates fast enough to sustain life.
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Substrate (chemistry) Substrate (chemistry) (Redirected from Enzyme substrate (biology)) In chemistry, a substrate is typically the chemical species being observed in a chemical reaction, which is organic in nature and reacts with a reagent to generate a product. In synthetic and organic chemistry, the substrate is the chemical of interest that is being modified. In biochemistry, an enzyme substrate is the material upon which an enzyme acts. When referring to Le Chatelier's principle, the substrate is the reagent whose concentration is changed. The term substrate is highly context-dependent.
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Cell Metabolism Enzymes are protein catalysts that speed biochemical reactions by facilitating the molecular rearrangements that support cell function. Recall that chemical reactions convert substrates into products, often by attaching chemical groups to or breaking off chemical groups from the substrates.
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Substrate A substrate is the substance upon which an enzyme acts in an enzymatic reaction. Enzymes are biological catalysts that increase the rate of chemical reactions by decreasing the activation energy required for that reaction. An enzyme catalyzes a chemical reaction converting a substrate reactant to a product. An individual enzyme generally has more than one substrate and may be specific to several reaction intermediates that are part of an over-all reaction.
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Enzyme Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process are called substrates and the enzyme converts these into different molecules, called products. Almost all metabolic processes in the cell need enzymes in order to occur at rates fast enough to sustain life.
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What are Enzymes? Enzymes are biological catalysts or assistants. Enzymes consist of various types of proteins that work to drive the chemical reaction required for a specific action or nutrient. Enzymes can either launch a reaction or speed it up. The chemicals that are transformed with the help of enzymes are called substrates.
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enzyme The definition of an enzyme is a protein created by an organism that increases the rate at which chemical reactions occur.Facts About Enzymes.he definition of an enzyme is a protein created by an organism that increases the rate at which chemical reactions occur. Facts About Enzymes.
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Enzyme Regulation Enzymes are proteins that catalyze chemical reactions where substrates are converted into products. Enzymes work by lowering the activation energy for a reaction and thus dram … atically increasing the rate of the reaction.
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Definition of Catalyst Example 2: Enzymes In our bodies, and in other living things, enzymes are used to speed up biochemical reactions. An enzyme is a type of catalyst. Complex life would be impossible without enzymes to allow reactions to take place at suitable speeds.
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Diseases Caused by Lack of Enzymes Overview. An enzyme is a protein that speeds up the rate at which a chemical reaction occurs. Enzymes are substrate specific, meaning that each type of enzyme has a specific type of molecule that it affects. The human body needs enzymes to influence the rates at which biological processes occur.
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Enzymes Function and structure. Enzymes are very efficient catalysts for biochemical reactions. They speed up reactions by providing an alternative reaction pathway of lower activation energy. Like all catalysts, enzymes take part in the reaction - that is how they provide an alternative reaction pathway.
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Medical Definition of Enzyme, lysosomal home / medterms medical dictionary a-z list / enzyme, lysosomal definition Medical Definition of Enzyme, lysosomal Enzyme, lysosomal: An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade (break down) macromolecules (large molecules) and other materials (such as bacteria) that have been taken up by the cell during the process of endocytosis.
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- Enzymes are composed of two parts, a protein portion called the apoenzyme and a nonprotein portion, either a coenzyme (organic) or cofactor (inorganic). Enzymes are present in every cell in both plants and animals; and are responsible for regulating the biochemical reactions necessary to sustain life.
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enzyme Enzyme definition, any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. See more.
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- 2. Life is precious and assisted suicide devalues human life. 3. If the patient is in a comatose state, the family have to decide if mercy killing is the right choice and what that patient wanted.There's a chance that the patient wanted to live.4.t's wrong to just gie up. 2. Life is precious and assisted suicide devalues human life. 3. If the patient is in a comatose state, the family have to decide if mercy killing is the right choice and what that patient wanted. There's a chance that the patient wanted to live. 4.
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Enzyme Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the process upon which enzymes may act are called substrates and the enzyme converts these into different molecules, called products. Almost all metabolic processes in the cell need enzymes in order to occur at rates fast enough to sustain life. The set of enzymes made in a cell determines which metabolic pathways occur in that cell. The study of enzymes is called enzymology. Enzymes are known to catalyze more than 5,000 biochemical reaction types.
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CATALYST Meaning: Any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions. Classified under: Nouns denoting substances. Hypernyms (enzyme is a kind of...): accelerator; catalyst ((chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected)
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Enzymes Enzymes are specialized proteins that assist in chemical reactions. They are like a key that unlocks a process and allows it to take place. Certain enzymes help the body break down food into smaller particles so they can be better digested and utilized for maximum energy. Food Enzymes (120 Caps)
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- au·tol·y·sis. n. The destruction of tissues or cells of an organism by the action of substances, such as enzymes, that are produced within the organism. Also called self-digestion.oss of freshness brings about immediate alterations in tissues with regard to chemical and enzyme. processes, including rigor mortis, disintegration of muscle structure, carbohydrate metabolism, as well as nucleotide and enzyme degradation.
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catalyst Medical Definition of catalyst. : a substance (as an enzyme) that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible.
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- A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. Example sentences. 1  They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes. 2  It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase.
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Cardiac Enzymes - definition Cardiac Enzymes-definition. Cardiac Enzymes-proteins the HEART releases into the bloodstream when HEART ATTACK or other circumstances cause damage to the heart MUSCLE (MYOCARDIUM). BLOOD tests that measure the levels of these enzymes help doctors determine whether, and how long ago, a heart attack has taken place.
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Enzyme Biochemistry - What Enzymes Are and How They Work Definition of an Enzyme An enzyme is defined as a macromolecule that catalyzes a biochemical reaction. In this type of chemical reaction, the starting molecules are called substrates. The enzyme interacts with a substrate, converting it into a new product. Most enzymes are named by combining the name of the substrate with the -ase suffix (e.g., protease, urease).